Square kilometres to Acres Converter
Convert square kilometre to acre instantly. Type a value below — the result updates as you type.
When you need to convert square kilometre to acre
Area conversions are essential when buying land, ordering flooring, turf or paint, or comparing property listings that quote space in different units across regions.
Typical values: 0.5 km² is about 123.5527 ac, and 5 km² works out to roughly 1235.53 ac. Because the ratio is fixed at 247.1054, you can scale any amount linearly — doubling the square kilometres doubles the acres.
Estate agents, builders and gardeners each favour different area units, so a quick conversion keeps quotes and material orders consistent.
How to convert square kilometre to acre
One square kilometre equals 247.1054 acres. To convert, multiply the number of square kilometres by 247.1054:
acres = square kilometres × 247.1054
For example, 10 square kilometres × 247.1054 = 2471.05 acres.
Square kilometres to acres conversion table
| Area (km²) | Acres (ac) |
|---|---|
| 1 km² | 247.1054 ac |
| 2 km² | 494.2108 ac |
| 3 km² | 741.3161 ac |
| 5 km² | 1235.53 ac |
| 10 km² | 2471.05 ac |
| 20 km² | 4942.11 ac |
| 50 km² | 12355.3 ac |
| 100 km² | 24710.5 ac |
FAQ
How many acres are in a square kilometre?
One square kilometre = 247.1054 acres.
How do I convert acres back to square kilometres?
Divide by 247.1054, or use the acres to square kilometres converter.